1 Find "Wi-Fi Calling"
Slide two fingers downwards starting from the top of the screen.
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Press the settings icon.
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Press Mobile network.
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Press the name of the SIM.
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Press Wi-Fi Calling.
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2 Turn Wi-Fi calling on or off
Press the indicator next to "Wi-Fi Calling" to turn the function on or off.
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3 Return to the home screen
Press the Home key to return to the home screen.
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